Georgios Varnavides
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gvarnavides.bsky.social
Georgios Varnavides
@gvarnavides.bsky.social
Assistant Professor of Imaging Physics, Delft University of Technology | Co-editor of elementalmicroscopy.org
The code to generate the Smith / Carlson / N6 tiles is adapted from Ned Batchelder's brilliant blog post: nedbatchelder.com/blog/202208/...

Also, here's the picture of the mentioned quilt and its FFT!
July 21, 2025 at 11:10 PM
This fully-funded 4-yr PhD is part of a broader collaboration with ASML, ARCNL, and TU Delft, combining computational imaging, BSE/SE modeling, and inverse algorithms for high-res, low-voltage SEM!

#SEM #phd #computationalimaging #electronmicroscopy #curiousbeams @imphys-tudelft.bsky.social
July 3, 2025 at 12:19 PM
Introducing the Curious Beams Lab — where we use electron beams and advanced algorithms to image the structure and function of materials at the nanoscale 🔬

PhD & postdoc openings coming soon — stay tuned!
#TUDelft #ElectronMicroscopy #ComputationalImaging
June 23, 2025 at 4:26 PM
The main takeaway is that formulating it this way, it follows that tcBF/parallax is a quadratic approximation to phase-compensated SSB (upsampling then follows naturally from that).
June 12, 2025 at 8:20 PM
The formalism in-fact is slightly different, looping over the virtual BF images instead of spatial frequencies.

Pseudocode and discussion here: www.elementalmicroscopy.com/articles/EM0...

and full code here:
github.com/ophusgroup/q...
June 12, 2025 at 8:20 PM
Haha, indeed -- if only we had a better name for "phase-compensated" SSB (meaning using the complex-valued aperture overlap gamma function, here doi.org/10.1016/j.ul...).
June 12, 2025 at 8:20 PM
Reposted by Georgios Varnavides
Monday 9th 15:00 Open Science Pavilion - Big Screen, Exhibit Hall
Join @row1.ca for a session on Publishing Computational Research Session

#OpenScience #Jupyter @mystmd.org
December 6, 2024 at 8:22 PM